/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.druid.segment;

import java.util.ArrayList;
import java.util.List;

public final class RowIteratorHelper
{
  public static List<DebugRow> toList(RowIterator it)
  {
    try {
      List<DebugRow> result = new ArrayList<>();
      while (it.moveToNext()) {
        RowPointer row = it.getPointer();
        result.add(new DebugRow(row.getDimensionNamesToValuesForDebug(), row.getMetricNamesToValuesForDebug()));
      }
      return result;
    }
    finally {
      it.close();
    }
  }

  private RowIteratorHelper()
  {
  }
}
